Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Comparison of the signal before and after wavelet denoising. (a) Time series of x-axis accelerometer signal from 20 Hz sampling rate for observed behaviors of 10 s lying; (b) time series of x-axis accelerometer signal from 20 Hz sampling rate for observed behaviors of 10 s walking.
